The $S.I.$ unit of gravitational potential is
$J$
$J{\rm{ - }}k{g^{ - 1}}$
$J{\rm{ - }}kg$
$J{\rm{ - }}k{g^{ - 2}}$
Unit of moment of inertia in $MKS$ system
Unit of Stefan's constant is
Match List-I with List-II and select the correct answer using the codes given below the lists
List$-I$ | List $-II$ |
---|---|
$I-$ Joule | $A-$Henry $ \times $ Amp/sec |
$ II-$ Watt | $B-$Farad $ \times $ Volt |
$ III-$ Volt | $ C-$Coulomb $ \times $ Volt |
$ IV-$ Coulomb | $D-$ Oersted $ \times $ cm |
$ E-$ Amp $ \times $ Gauss | |
$ F-$ $Am{p^2}$ $ \times $ Ohm |
The unit of permittivity of free space is
Match List$-I$ with List$-II$.
List$-I$ | List$-II$ |
$(a)$ ${R}_{{H}}$ (Rydberg constant) | $(i)$ ${kg} {m}^{-1} {s}^{-1}$ |
$(b)$ $h$ (Planck's constant) | $(ii)$ ${kg} {m}^{2} {s}^{-1}$ |
$(c)$ $\mu_{{B}}$ (Magnetic field energy density) | $(iii)$ ${m}^{-1}$ |
$(d)$ $\eta$ (coefficient of viscocity) | $(iv)$ ${kg} {m}^{-1} {s}^{-2}$ |
Choose the most appropriate answer from the options given below: